diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index d09f20c..86d37f1 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -346,8 +346,10 @@
     def create_volume_type(self, client=None, name=None, backend_name=None):
         if not client:
             client = self.os_admin.volume_types_client_latest
-        randomized_name = name or data_utils.rand_name(
-            'volume-type-' + self.__class__.__name__)
+        if not name:
+            class_name = self.__class__.__name__
+            name = data_utils.rand_name(class_name + '-volume-type')
+        randomized_name = data_utils.rand_name('scenario-type-' + name)
 
         LOG.debug("Creating a volume type: %s on backend %s",
                   randomized_name, backend_name)